Main Stone: 1 Oval Cabachon Cut Genuine Black Onyx, 22 mm x 11 mm Sterling Silver; Contains 5.90 grams of Sterling Silver Measures: 20 mm wide x 31 mm long x 8 mm high; Shank Width: 2.0 mm wide Includes gift box and drawstring pouch The stunning simplicity of this glimmering genuine black onyx cabochon ring will lend a sophisticated air and elegant finishing touch to your favorite outfits. Crafted in sterling silver, it's classically beautiful with a triple-split shank. Sizes 6-12. - 635787